3512C Generator Set

Specifications

Full Specifications

Generator Set Specifications

Standby Rating
1500 ekW

Prime Power Rating
1360 ekW

Emissions/Fuel Strategy
U.S. EPA Certified

Voltage
380 to 13800 Volts

Frequency
60 Hz

Speed
1800 rpm

Duty Cycle
Standby, Mission Critical, Prime, Continuous

Maximum Rating
1500 ekW

Minimum Rating
1230 ekW

Engine Specifications

Engine Model
3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel

Bore
6.69 in

Stroke
7.48 in

Displacement
3161.03 in³

Compression Ratio
14.7:1

Aspiration
TA

Fuel System
Electronic unit injection

Governor Type
ADEM™ A3

Generator Set Dimensions

Length - Minimum
222.2 in

Length - Maximum
221.2 in

Width - Minimum
89.7 in

Width - Maximum
89.7 in

Height - Minimum
104.4 in

Height - Maximum
104.4 in

Dry Weight - Genset (minimum)
28971 lb

Dry Weight - Genset (maximum)
28971 lb

Equipment

Standard Equipment

Air Inlet System

• Air cleaner; single element canister type with service indicator

Air Inlet

• Air cleaner

Cooling

• Package mounted radiator

Exhaust

• Exhaust flange outlet

Fuel

• Secondary fuel filters
• Primary fuel filter with integral water separator
• Fuel priming pump

Generator

• Matched to the performance and output characteristics of Cat engines
• IP23 Protection

Power Termination

• Busbar

Control Panel

• Cat ECS Genset controller

Control System

• Alarm acknowledge
• Over/under frequency (81 o/u)
• Reverse power (kW) (32)
• Coolant temperature
• kVAr (per phase, average & percent)
• Overcurrent (50 / 51)
• High coolant temperature
• Environmental sealed front face
• Reverse reactive power (kVAr) (32RV)
• kVA (per phase, average & percent)
• Volts (L-L & L-N)
• Generator set packages include Caterpillar's voltage regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min/max exciter. Limiter and exciter diode monitor
• kW-hr (total)
• kW (per phase, average & percent)
• Low oil pressure
• Cat ECS 100
• Digital indication for:
• Engine cool-down timer
• Generator mounted - rear facing
• DC volts
• 1 programmable relay outputs (Form C)
• Overspeed
• kVAr-hr (total)
• 1 programmable digital outputs
• Communications
• Power factor (per phase & average)
• Oil pressure (psi, kPa or bar)
• True RMS AC metering, 3-phase, +/-2% accuracy
• Cat connect
• Customizable screens
• Low coolant temperature
• Over/under voltage (27 / 59)
• 4 programmable relay outputs (Form A)
• Accessory module data link
• Warning/shutdown with common LED indication of shutdowns for:
• Failure to start (overcrank)
• Amps (per phase & average)
• Auto/start/stop control
• Controls:
• Engine cycle crank
• Customer data link (Modbus RTU)
• Programmable protective relaying functions:
• Text alarm/event descriptions
• Emergency stop
• Speed adjust
• Number of I/O varies on options selected
• Lamp test
• RPM
• 24 Volt DC operation
• Emergency stop pushbutton
• Low coolant level
• Frequency (Hz)
• Generator phase sequence
• Load histogram feature
• PLC functionality

Cooling System

• Coolant level sensors (Not included with packages without radiator)
• SCAC
• Radiator fan and fan drive
• Coolant drain line with valve
• Fan and belt guards
• Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
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Exhaust System

• Flanged faced outlet(s)
• Dry exhaust manifold

Fuel System

• Fuel cooler; not included with packages without radiator
• Secondary fuel filters
• Flexible fuel lines - shipped loose
• Fuel priming pump

Generators and Attachments

• Medium voltage:
• Internal excitation (IE)
• High voltage
• Permanent magnet excitation (PMG)
• Winding temperature detectors
• NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime/150C standby)
• Busbar connections, right side extension box, bottom cable entry
• Busbar connections, top center mounted, top cable entry
• Low voltage:
• Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)
• NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
• NEMA standard hole pattern
• 3 phase brushless, Salient pole
• NEMA standard hole pattern
• 6 Leads
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• Random wound
• NEMA standard hole pattern
• Form wound

Governing System

• ADEM III

Literature

• Parts book

Lube System

• Gear type lube oil pump
• Oil filter, filler and dipstick
• Fumes disposal
• Lubricating oil
• Oil drain lines and valve
• Integral lube Oil cooler

Mounting System

• Rubber anti-vibration mounts - shipped loose

Starting / Charging System

• 45 Amp Charging alternator
• Battery and battery rack w/cables
• Battery disconnect switch
• 24 Volt electric starting motor

General

• Flywheel and Flywheel housing-SAE No. 00
• SAE standard rotation
• Right hand servicing
• Paint - Caterpillar yellow with high gloss black rails & radiator

Optional Equipment

Control Panels

• EMCP 4.4

Exhaust

• Exhaust mufflers

Air Inlet System

• Heavy duty air cleaner
• Single element filter

Generator

• Permanent magnet excitation (PMG)
• Oversize and premium generators
• Internal excitation (IE)
• Anti-condensation heater

Cooling System

• Coolant
• Standard installed ATAAC radiators
• Optional installed ATAAC radiators
• Optional installed radiators
• Water level switch gauges
• Standard installed radiators

Power Termination

• Circuit breakers, IEC compliant
• Circuit breakers, UL listed

Exhaust System

• Flanges
• Flange and exhaust expanders
• Y Adapters
• Flexible fittings
• Elbows
• Mufflers

Fuel System

• Primary fuel filter

General

• US aid emblem

Mounting

• IBC isolators
• Rubber anti-vibration mounts
• Spring type vibration isolators

Generators and Attachments

• Differential current transformers (DCT) 15 kV class
• RW, IE, 6 Leads, Pitch 0.6667
• Differential current transformers (DCT) 8.7 kV class
• 1400, 1600, 2700 Frames
• Space heater
• Generator air cleaner
• Generator conversion from IE to PM
• Low voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm

Starting/Charging

• Jacket water heater
• Air starting motor with control and silencer
• Battery chargers
• Charging alternator
• Heavy duty starting system
• Oversize batteries

Instrumentation

• Wiring GP W/O cyl sensors
• Pyrometer and thermocouples

Lube System

• Prelube pumps
• Oil level regulator
• Oil drains
• Lubrication oil in standard sump

Crankcase Protection

• No explosion relief valves
• No crankcase explosion relief valves
• Explosion relief valves
• Crankcase ventilation system

Mounting System

• Puck style low efficiency isolators
• IBC vibration isolators
• Spring type vibration isolators

Power Connections

• Cable entry - right side
• Center post buss bar
• Rear power connections
• Right side power connections
• 2000, 2500, 3200 Amp, 3 Pole, IEC rated Circuit breakers
• 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated Circuit breakers
• Left side power connections
• Six lead, six terminal option
• 2000, 2500 Amp, 4 Pole, IEC rated Circuit breakers
• Neutral ground connections
• Grounding groups

Special Tests / Reports

• Standard engine test charge
• PGS Test report @ 1.0 power factor
• CSA Certification
• IBC seismic Certification
• Fuel consumption test
• Torsional vibration analysis
• Generator test report
• Generator fuel consumption test
• PGS Test report @ 0.8 power factor

Starting / Charging System

• 10 Amp Battery charger
• 24 Volt battery set - Dry
• Engine barring device
• 35 Amp Battery charger
• Air starting motor
• Air pressure regulator
• Batteries, racks and cables:
• Jacket water heaters
• Electric starting motors
• Starter cover

Resources

Electric Power Ratings Guide

3512C, 60 Hz,1500 ekW Standby/MC,1360 ekW Prime, 1230 ekW Cont., U.S. EPA Stationary Emergency. (Tier 2) Spec Sheet

3512C, 60 Hz, 1360 ekW, Prime-DCP, U.S. EPA Stationary Emergency . (Tier 2) Spec Sheet